Our Leadership

The NNSA plays a critical role in ensuring the security of our Nation by maintaining the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear testing; reducing the global danger from the proliferation of nuclear weapons and materials; providing the U.S. Navy with safe and effective nuclear propulsion; and providing the Nation with an effective nuclear counterterrorism and incident response capability.

Lieutenant General Frank G. Klotz, United States Air Force (Ret), was confirmed by the Senate on Tuesday, April 8, 2014, as the Department of Energy’s Under Secretary for Nuclear Security and Administrator for the National Nuclear Security Administration (NNSA).

Dr. Donald L. Cook serves as the Deputy Administrator for Defense Programs at the National Nuclear Security Administration. Appointed to the position by President Barack Obama, Dr. Cook was sworn in as NNSA’s 5th Deputy Administrator in June 2010. He is responsible for managing the U.S. nuclear security enterprise of laboratories and manufacturing facilities. One of the primary missions of NNSA is to maintain and enhance the safety, security and reliability of the U.S. nuclear weapons stockpile. NNSA, through its Office of Defense Programs, ensures that the U.S. nuclear arsenal meets the country’s national security requirements and continues to serve its essential deterrence role.

Anne Harrington was sworn in as Deputy Administrator for Defense Nuclear Nonproliferation for the National Nuclear Security Administration in October 2010. Previously, Ms. Harrington was the Director of the U.S. National Academy of Sciences Committee on International Security and Arms Control (CISAC) a position she held from March 2005 to October 2010.

Admiral Richardson graduated from the U.S. Naval Academy in 1982 with a Bachelor of Science in Physics. He also holds Masters Degrees from the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution, and the National War College.

With over 30 years of experience in construction management, design
management, utilities systems operations, employee development,
budgeting and contracting, Robert B. Raines serves as the Associate
Administrator for Acquisition and Project Management (APM).

Bob
comes to NNSA from DOE’s Office of Engineering and Construction
Management where he served as the Director for Project Management
Systems and Assessments since 2008. Prior to joining the Department, he
worked for CH2M HILL where he was responsible for environmental
remediation work for the U.S. Navy. Bob served for 27 years in the
Navy’s Civil Engineer Corps retiring as a Captain after two Command
tours.

Bruce Diamond became the General Counsel for the NNSA in February, 2011. Before that, Bruce was DOE Assistant General Counsel for Environment, the senior career environmental attorney for the Department dealing principally with complex issues regarding the clean-up of the nuclear complex and implementation of National Environmental Policy Act obligations. In addition, he was responsible for addressing health and safety issues.

Wayne Jones is the Associate Administrator for Information Management and Chief Information Officer within the Office of the Chief Information Officer (OCIO) at the National Nuclear Security Administration (NNSA). In this role, he ensures the integration and coordination of cybersecurity support activities and functions throughout the NNSA National Security Enterprise.

Clarence T. Bishop serves as Associate Administrator for External Affairs. In this role, he is responsible for managing NNSA's Congressional Affairs, Public Affairs, and Intergovernmental Affairs efforts to effectively communicate, promote and defend the NNSA's mission, goals and budget.

Associate Administrator and Deputy Under Secretary for Counterterrorism and Counterproliferation

Steven Aoki is the Associate Administrator and Deputy Under Secretary for Counterterrorism and Counterproliferation. In this position, Dr. Aoki is responsible for coordinating counterterrorism policy throughout the U.S. Department of Energy. Much of the focus of the department’s counterterrorism efforts centers on the nuclear security enterprise, but also cuts across many organizations in the DOE.

Jeffrey R. Johnson is the Associate Administrator for the Office of Defense Nuclear Security and Chief of Defense Nuclear Security for the National Nuclear Security Administration (NNSA). In this role, he is responsible for the development and implementation of security programs for the Administration, including the protection, control and accounting of materials, and for the physical and cyber security for all NNSA facilities.

Randall Hendrickson is a member of the Senior Executive Service and serves as the Associate Administrator for Management and Budget in the National Nuclear Security Administration (NNSA). He is the Senior Career official leading and managing the budget and administrative staffs responsible for enterprise-wide systems and policies at NNSA.